Question about 1995 Buick Regal

1 Answer

Upper radiator hose keeps leaking coolant, replaced the cuff ring but still seems to leak after a few days from the cuffed end of the hose. Does it need a new hose?

I saw smoke from under left side of the hood, pulled over and saw major leakage from the upper radiator hose. Thought maybe the cuff was too small and was cutting into the rubber causing holes. So i replaced the cuff, a few days later it starts up smoking again. Thinking now maybe the hose needs to be replaced because i saw bubbling from the cuffed end of the hose in the rubber. Any ideas? doesnt smoke from anywhere else and seems to be coming from the coolant just leaking and burning off.

Posted by nyssa582 on

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1 Answer

josh bauman

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  • 38 Answers

If it is leaking where it connects to the radiator it might be the radiator itself. take it to a shop and they can pressure test. some shops won't even charge for test.

Posted on Sep 14, 2012

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5 Related Answers

toney clark

  • 491 Answers

SOURCE: coolant leak

have it checked to see where the leak is coming from and what wiil have to be replaced

Posted on Jan 01, 2009

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Anonymous

  • 3 Answers

SOURCE: round machined hole in water pump housing leaking coolant

The hole is there to let you know the antifreeze seal in the pump is leaking. You need a new (or rebuilt ) pump installed immediately. Please change the belt and any tensioners while you are at it...

Posted on Apr 14, 2009

Anonymous

  • 10 Answers

SOURCE: battery light and ABS light is on...saw smoke from hood and smelt burning

check the belt going to your alternater

Posted on May 29, 2009

Anonymous

  • 5 Answers

SOURCE: Smoke coming from the drivers side under hood

could have been a little fulid from somewhere that was burning off.

Posted on Jun 02, 2009

Jonah Oneal

  • 14092 Answers

SOURCE: Replaced the water pump on

YEP YOU HAVE LEAK AT THERMOSTAT HOUSING.YOU NEED REMOVE THERMOSTAT HOUSING OUTLET AND CLEAN THE MATING SURFACE THOROUGHLYTHEN APPLY RTV SEALANT IN THE GROOVE OF THE WATER OUT LET HOUSING.INSTALL THERMOSTAT WITH SPRING TOWARD THE ENGINE TORQUE THERMOSTAT OUTLET HOUSING BOLTS 89 INCH LBS.IF STILL LEAKS OUTLET HOUSING COULD HAVE CRACK IN IT CAUSING LEAKING.

Posted on Sep 08, 2010

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1 Answer

Losing a lot of coolant. I don't see a leak. I started to drain the system and it smells burnt to s**t. What might my problem and possible solutions be?


see this causes and fix it. God bless you
Water pump -- A bad shaft seal will allow coolant to dribble out of the vent hole just under the water pump pulley shaft. If the water pump is a two-piece unit with a backing plate, the gasket between the housing and back cover may be leaking. The gasket or o-ring that seals the pump to the engine front cover on cover-mounted water pumps can also leak coolant. Look for stains, discoloration or liquid coolant on the outside of the water pump or engine.
Radiator -- Radiators can develop leaks around upper or loser hose connections as a result of vibration. The seams where the core is mated to the end tanks is another place where leaks frequently develop, especially on aluminum radiators with plastic end tanks. On copper/brass radiators, leaks typically occur where the cooling tubes in the core are connected or soldered to the core headers. The core itself is also vulnerable to stone damage. Internal corrosion caused by old coolant that has never been changed can also eat through the metal in the radiator, causing it to leak.
Most cooling systems today are designed to operate at 8 to 14 psi. If the radiator can't hold pressure, your engine will overheat and lose coolant.
Hoses -- Cracks, pinholes or splits in a radiator hose or heater hose will leak coolant. A hose leak will usually send a stream of hot coolant spraying out of the hose. A corroded hose connection or a loose or damaged hose clamp may also allow coolant to leak from the end of a hose. Sometimes the leak may only occur once the hose gets hot and the pinhole or crack opens up.

Sep 28, 2012 | Cars & Trucks

1 Answer

Mysterious coolant leak


Check out this few help links,in related to this types of problem.Click the link below :----Transmission fluid gets into radiator?

http://schematicsdiagram.blogspot.com/2011/12/transmission-fluid-gets-into-radiator.html

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The plastic housing which goes to the upper radiator hose is cracked and leaking?

http://schematicsdiagram.blogspot.com/2011/12/plastic-housing-which-goes-to-upper.html

----------
Radiator leaking? http://repairhelpcenter.blogspot.com/2011/12/radiator-leaking.html
--------Car water leak around the Starter area and Bell Housing? http://schematicsdiagram.blogspot.com/2011/12/car-water-leak-around-starter-area-and.html
--------Leaking head gaskets? http://schematicsdiagram.blogspot.com/2011/12/leaking-head-gaskets.html
---------This will help.Thanks.

Jan 16, 2012 | 2001 Dodge Neon

1 Answer

A few weeks ago I had the upper hose go on me. It had a hole in it and leaked out all my coolant. My husband (while helping change the hose) gave it a big **** and ended up cracking my radiator. I had that...


Hi, you wern`t clear on the year and model of your Honda, and was the radiator and hose replaced by a sevice shop or yourselves? Possible causes of your car overheating may be caused by not ``bleeding`` the air out of the cooling system properly. Another problem may be a malfunctioning thermostsat, another problem may be the Electric rad fan not cycling on. There could be a few more causes but I would have to know more details of your car as mentioned above..

Feb 22, 2011 | Honda Civic Cars & Trucks

1 Answer

I have a 99 grand cherokee wj. The upper radiator hose keeps leaking where it contacts the radiator. I have changed the upper hose two times and also replaced the clamps 4 times and I am still having this...


I suspect either the radiator neck has hairline crack. You can try product like "Bars Leak". It's a coolant stop leak that is fantastic. Not only is it a stop leak product but it's also a waterpump lube.

Jan 05, 2011 | 1997 Jeep Grand Cherokee

1 Answer

RAdior is leaking badly what do I do? One of the hoses seems to be broken, and seems like a huge leak on the bottom??? Need help asap contact me at [email protected]


  • Turn off the engine as soon as you suspect a leak, to prevent the engine from overheating.
  • 2 Determine which radiator hose is leaking and exactly where the leak is coming from by looking for wetness.
  • 3 Purchase 1 gallon of antifreeze and the correct replacement radiator hose from your local auto-parts store or dealer. (Radiator hoses are not interchangeable. They come in specific sizes and shapes for your particular car model.)
  • 4 Wait for the engine to cool down for at least 20 minutes, before beginning any work on the cooling system.
  • 5 Place a large pan or wide bucket on the ground under the hose to catch the coolant.
  • 6 Use a screwdriver to loosen the hose clamps at both ends of the hose you are replacing.
  • 7 Remove the radiator hose by twisting and pulling where it connects to the radiator and engine. If the hose won't budge, use a utility knife to cut it off the fittings.
  • 8 Remove the hose clamps from the old radiator hose and slide them onto the new hose.
  • 9 Put the new radiator hose on. Spray the inside of the hose ends with WD-40 if the hose is hard to get on. Tighten the hose clamps.
  • 10 Refill the radiator and the coolant reservoir with a 50-50 mixture of water and antifreeze.
  • 11 "Burp the cooling system" by running the engine with the radiator cap off until the engine warms up. Keep the engine running until both the upper and lower radiator hoses feel warm (this indicates that the thermostat is open and the coolant is flowing through the entire system). Burping the cooling system allows any air bubbles to escape. Add coolant to the radiator as needed.
  • 12 Look for leaks. Inspect around the hose clamps for dampness. Tighten the hose clamps if there is any wetness.
  • 13 Put the radiator cap back on.
  • 14 Check the coolant level after driving, to ensure there are no leaks



  • Dec 13, 2010 | 2001 Chrysler Sebring

    4 Answers

    Loosing coolant no visible leaks about 1/2 gallon every 100 miles


    How To Find & Fix Coolant Leaks

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    WHERE COOLANT LEAKS OCCUR
    Coolant leaks can occur anywhere in the cooling system. Nine out of ten times, coolant leaks are easy to find because the coolant can be seen dripping, spraying, seeping or bubbling from the leaky component. Open the hood and visually inspect the engine and cooling system for any sign of liquid leaking from the engine, radiator or hoses. The color of the coolant may be green, orange or yellow depending on the type of antifreeze in the system. The most common places where coolant may be leaking are:
    Water pump -- A bad shaft seal will allow coolant to dribble out of the vent hole just under the water pump pulley shaft. If the water pump is a two-piece unit with a backing plate, the gasket between the housing and back cover may be leaking. The gasket or o-ring that seals the pump to the engine front cover on cover-mounted water pumps can also leak coolant. Look for stains, discoloration or liquid coolant on the outside of the water pump or engine.

    Radiator -- Radiators can develop leaks around upper or loser hose connections as a result of vibration. The seams where the core is mated to the end tanks is another place where leaks frequently develop, especially on aluminum radiators with plastic end tanks. On copper/brass radiators, leaks typically occur where the cooling tubes in the core are connected or soldered to the core headers. The core itself is also vulnerable to stone damage. Internal corrosion caused by old coolant that has never been changed can also eat through the metal in the radiator, causing it to leak.

    Most cooling systems today are designed to operate at 8 to 14 psi. If the radiator can't hold pressure, your engine will overheat and lose coolant.

    Hoses -- Cracks, pinholes or splits in a radiator hose or heater hose will leak coolant. A hose leak will usually send a stream of hot coolant spraying out of the hose. A corroded hose connection or a loose or damaged hose clamp may also allow coolant to leak from the end of a hose. Sometimes the leak may only occur once the hose gets hot and the pinhole or crack opens up.

    Freeze plugs -- These are the casting plugs or expansion plugs in the sides of the engine block and/or cylinder head. The flat steel plugs corroded from the inside out, and may develop leaks that are hard to see because of the plug's location behind the exhaust manifold, engine mount or other engine accessories. On V6 and V8 blocks, the plugs are most easily inspected from underneath the vehicle.

    Heater Core -- The heater core is located inside the heating ventilation and air conditioning (HVAC) unit under the dash. It is out of sight so you cannot see a leak directly. But if the heater core is leaking (or a hose connection to the heater core is leaking), coolant will be seeping out of the bottom of the HVAC unit and dripping on the floor inside the passenger compartment. Look for stains or wet spots on the bottom of the plastic HVAC case, or on the passenger side floor.

    Intake Manifold gasket -- The gasket that seals the intake manifold to the cylinder heads may leak and allow coolant to enter the intake port, crankcase or dribble down the outside of the engine. Some engines such as General Motors 3.1L and 3.4L V6 engines as well as 4.3L, 5.0L and 5.7L V8s are notorious for leaky intake manifold gaskets. The intake manifold gaskets on these engines are plastic and often fail at 50,000 to 80,000 miles. Other troublesome applications include the intake manifold gaskets on Buick 3800 V6 and Ford 4.0L V6 engines.

    INTERNAL COOLANT LEAKS
    There are the worst kind of coolant leaks for two reasons. One is that they are impossible to see because they are hidden inside the engine. The other is that internal coolant leaks can be very expensive to repair.

    Bad head gasket --Internal coolant leaks are most often due to a bad head gasket. The head gasket may leak coolant into a cylinder, or into the crankcase. Coolant leaks into the crankcase dilute the oil and can damage the bearings in your engine. A head gasket leaking coolant into a cylinder can foul the spark plug, and create a lot of white smoke in the exhaust. Adding sealer to the cooling system may plug the leak if it is not too bad, but eventually the head gasket will have to be replaced.

    If you suspect a head gasket leak, have the cooling system pressure tested. If it fails to hold pressure, there is an internal leak. A "block tester" can also be used to diagnose a leaky head gasket. This device draws air from the cooling system into a chamber that contains a special blue colored leak detection liquid. Combustion gases will react with the liquid and cause it to change color from blue to green if the head gasket is leaking.

    Head gasket failures are often the result of engine overheating (which may have occurred because of a coolant leak elsewhere in the cooling system, a bad thermostat, or an electric cooling fan not working). When the engine overheats, thermal expansion can crush and damage portions of the head gasket. This damaged areas may then start to leak combustion pressure and/or coolant.

    Cracked Head or Block -- Internal coolant leaks can also occur if the cylinder head or engine block has a crack in a cooling jacket. A combustion chamber leak in the cylinder head or block will leak coolant into the cylinder. This dilutes the oil on the cylinder walls and can damage the piston and rings. If the coolant contains silicates (conventional green antifreeze), it can also foul the oxygen sensor and catalytic converter. If enough coolant leaks into the cylinder (as when the engine is sitting overnight), it may even hydro-lock the engine and prevent it from cranking when you try to start it. Internal leaks such as these can be diagnosed by pressure testing the cooling system or using a block checker.

    A coolant leak into the crankcase is also bad news because it can damage the bearings. Coolant leaking into the crankcase will make the oil level on the dipstick appear to be higher than normal. The oil may also appear frothy, muddy or discolored because of the coolant contamination.

    Leaky ATF oil cooler -- Internal coolant leakage can also occur in the automatic transmission fluid oil cooler inside the radiator. On most vehicles with automatic transmissions, ATF is routed through an oil cooler inside the radiator. If the tubing leaks, coolant can enter the transmission lines, contaminate the fluid and ruin the transmission. Red or brown drops of oil in the coolant would be a symptom of such a leak. Because the oil cooler is inside the radiator, the radiator must be replaced to eliminate the problem. The transmission fluid should also be changed.

    continue...

    Mar 12, 2010 | 1998 Oldsmobile 88

    1 Answer

    Change thermostat on 1998 toyota camry


    1. Write down your radio code if it has some anti-theft device.
    2. Allow the engine to cool down for about 3-hours before the start of this operation.
    3. Open the hood, and disconnect the battery negative terminal. Tuck the negative terminal aside so it won't flip back.
    4. Locate the radiator drain-plug (plastic wing-nut) on the lower back side of the radiator, and turn it backward to remove it.
    5. Place a container under the radiator to catch the anti-freeze coolant.
    6. Remove the radiator cap.
    7. Once the coolant is drained, trace the upper radiator hose to where it ends on the engine(thermostat housing), and remove the hose with a medium size plier.
    8. Loosen the three bolts holding the thermostat housing. Gently take out the housing.
    9. Notice the position the thermostat was previously installed.
    10. Replace the old thermostat, and the o-ring around it. Clean its mounting area. Notice that the o-ring fits around the thermostat.
    11. Replace the thermostat housing and torque the three bolts to 78-inch pounds. Replace the upper hose.
    12. Replace the radiator drain-plug.
    13. Re-use the antifreeze coolant and be careful no dirt goes in with the coolant into the radiator.
    14. Return the radiator cap.
    15. Reconnect the negative battery terminal.
    16. Start the car and check for leak.

    Important: Anti-freeze coolant harmful to the environment. Return unwanted anti-freeze coolant to collection areas.

    Dec 17, 2009 | 1998 Toyota Camry

    1 Answer

    HOW DO I CHANGE A UPPER RADIATOR HOSE ON THE 1995 CONTOUR


    Hi:

    Start with the engine cold, and drain the coolant out of the radiator into a clean pan. loosen the clamps on either end of the upper radiator hose. twist the hose loose, then install the new hose along with new clamps. Fill up the radiator, start the engine for a few minutes, then shut down and check the coolant level again, and top off as needed. After the engine is up to temperature, check for leaks again, and recheck the coolant level the next time the car is cold again.

    Nov 24, 2009 | 1995 Ford Contour

    1 Answer

    Need diagram where bottom radiater hose attaches to engine where it appears to be leaking


    This is how I like to do it. Make sure the car is parked with the front end at an upward angle. Drain the coolant from the petcock at the bottom of the radiator. Remove the upper and lower hoses at the radiator. Remove the thermostat housing, and the heater core hoses at the fire wall. Flush out the radiator by pouring fresh water into the overflow, and the hole where the thermostat was. Flush the heater core as best you can by pouring fresh water into the heater core hose connections.
    Let all the water drain out, then button everything back up and replace the thermostat with a new one. Refill the rad and engine by filling the coolant reservoir with a mix of 50% water and 50% antifreeze, or buy the premixed stuff from the auto parts store. (Buy 4 jugs of premix or 2 of straight antifreeze)
    Run the engine until it reaches operating temperature and the upper rad hose gets hot. Rev the engine a little to help get the air out of the cooling system. When the thermostat opens, the coolant level will drop in the reservoir, so top it up and replace the cap.
    Check for leaks, and check the coolant level for the next few days, and check for leaks.
    Dispose of the old coolant responsibly

    Sep 15, 2009 | 1991 Dodge Grand Caravan

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    Overheating and leaking coolant


    Get yourself a pressure tester. Make sure everything is as dry as possible, use compressed air if available. Top off the radiator and hook up to tester. Pump up not to exceed the psi on the cap. Then listen carefully and look with a light. If it's mainly on top of the engine, keep an eye on the intake gasket area and any hoses. This is your best bet of finding the leak, because trying to find it with the engine running can cause burns and you can't hear it leaking.

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